Remote control device



July 25, 1939. L.' .L ANDRES 2,167,061

REMOTE CONTROL DEVICE l Filed June 24, 1938 :s sheets-sheet 1 f EN@ f WOR. -@w #ld/QM 3 Sheets-Sheet 2 Q Q Q INVENTOR.

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July 25, 1939. 1 ..J. ANDRES 2,167,061

REMOTE CONTROL OEVIOE Filed June 24, 19:58 s sheets-sheets Patented July25., 1(9'39 I UNITED STATES 'PATENT OFFICE mm com m Rossum l Lloyd J. Andres, Chicago, Ill. Application June 24,1938, seriaiNo. 215,653V MAY. 2 8 1940 z claims. (ci. 11s-6.3)

This invention relates in general to remote conoontrol device including loud speaker in one small trol sound distribution devices and more particucompact casing adapted to be operated by the larly to a. new and novel coin-operated control 'deposit of a -coin andenabling an operator to. unit which provides means for selecting and select one or more sound reproductions upon the reproducing any recorded sound rendition availdeposit of a proper coin or coins and have comable in the automatic instrument to which it is plete manual control over the volume of sound connected. emitted.

Automatic selective phonographs have been A further object of the invention provides for commercially marketed for many years, and a loud speaker and internal sound chamber dewhile these machines are highly efficient insofar signed to produce high quality reproduction 1o as the mechanism is concerned, they all have a within the confines of a minimum amount of common sound`distributing point, namely, the space. loud speaker in the cabinet. v Another object of the invention provides for a Usually the automatic phonograph is used in system whereby one or more ,sound isolated public places where patrons are seated at a disspeakers may be connected with a microphone or l5 tance from the machine or even in separate rooms radio, thus providing means for sound distribuor booths, and the patron must therefore leave tion to the individual remote controllers without his position and walk to the machine in order to manual selection or coin-operation.

play it. This annoyance ofttimes greatly limits A further object provides for a means to prethe plays of the phonograph. Moreover, the vent the operator from obtaining more selections patron has no lcontrol over the volume emitted than those corresponding to the number of coins by the phonograph, and inasmuch as personal deposited.

tastes differ greatly in this regard, quiteA fre- Referring to the drawings:

`quently the volume is adjusted either too loud or Fig. 1 is a front view of the device showing too soft to suit all listeners. the coin receiver, volume and selector controls,

Up to the time of this invention there was a program assembly and loud speaker grille.

widespread demand for the solution of this prob- Fig. 2 shows a typical use of a plurality of the lem. The present invention overcomes these obdevices in vsound isolated positions connected rejections by providing an automatic selective motely to aselective sound reproducer; phonograph of the .type mentioned, with a plu- Fig. 3 shows the circuit diagram of the internal 30 rality of isolated controllers adapted to select wiring of the remote controller and the connecfrom the selective phonograph and deliver to the tions with a solenoid operated selective sound reisolated point' one or more of the sound rendiproducer.

tions desired. Fig. 4 shows the internal elements of the con- The combination of an automatic selective troller with cover removed. phonograph adapted and used with one or more Fig. 5-is a cross-sectional view of the controller selective remote control devices is not only selectaken through section line c-c, Fig. l. tive as to musical renditions, but is multi selec- Fig. 6 i's an enlarged cross-sectional view taken tive as to the audience or distributing points. A through the selector switch along line s-s, Fig. l. patron at each distributing point can not only Fig. '7 is a plan view of the selector switch lock- 40 select, but after he has selected, can control his ing plate. selection as to the volume which best suits his Referring to Fig. l, the front cover or casing I, tastes. f contains a. cylinder lock 2, selector knob 3, volume A principal object of the invention provides for control knob 4, an indirectly illuminated program the use of a plurality of coin controlled remote plate assembly 5, and loud speaker grille 6. control devices which may be placed at one or The working parts are shown in Fig. 4 mounted more sound isolated positions and wired to any on a back plate or rear casing l. The combinaselective type sound reproducer such as an autotion coin receiver and slug detector 8 is mounted matic record changer equipped with a thermionlc in the upper end thereof. Volume control 9,

0 ampliiler. f Each remote controller is capable of selector switch l0 and cut-out switch 38-39 are 50 reproducing one or more selected sound rendimounted to a suitable suspension bracket I2.

tions as desired by the operator upon the deposit The shafts for the volume control El and the of the proper coin orvcoins. selector switch Ill are slotted so as to axially yand Another object of the invention provides for rotationally engage with the shafts of the conthe construction of a complete selective remote trol knobs 3 and 4, shown in Fig; 1. Fig. 7. shows 55 the'method employed for engaging the knob shaft 32 with the selector switch shaft 33. The same construction is employed for engaging the volume control knob shaft with the shaft of the volume control 3. When the cover I is'applied to the device', as shown in Fig. 4, the pin 3l, Fig. 6, in each knob shaft engages withl the corresponding slots in the selector and volume control shafts respectively,

A detachable fabric coin receiving bag I3 is suspended by two studs I4.

Lamps I5 are arranged to illuminate the printed program slips attached to the program plate assembly 5Fig. 1. v

The -loud speaker I5, Figs. 4 and 5, is attached to the back plate in a ponsition to correspond with the hole in the baille of. the cover I. A terminal strip I1, Fig. 4, is provided as a junction to which are attached the control cable wires from the selective sound reproducer. Y

When a coin is deposited through the metering plate I3, it falls by the action of gravity through coin receiver 3 and impinges upon petal I 3, which momentarily closes switch 20, Fig. 4. After closing the momentaryswitch 2li the coin falls into and is retained by bag I3.

Utilizing well known means, spurious coins are deflected and by-passed over petal I3 directly into the money bag I3, thus avoiding the closing of the momentary switch 23.

Referring to Fig. 5, the cover I is removed from the A back plate 1 by unscrewing cylinder lock 2 which permits the cover to be drawn forward and downwardly releasing it from the dowel pins 2I which are anchored in the back plate, Figs. 1 and 5.

.The program assembly 3, Fig. 5, is mounted behind glass window 22 and is slotted for the passage and diffusion of light. Thus the printed strips 23, which are attached to the inclined portions of the program plate, are illuminated by lampsA Il.A

Spring clips 24. are provided to retain the program plate assembly in its proper position and also provide means for quickly detaching the assembly to facilitate the changing of the printed program slips. v l

The loud speaker I3, Fig. 5, is shown positioned behind the circular baille plate and air seal 25 directly'to the rear of the wire cloth grille 3.

The volume control 3, shown in Fig. 4, is a conventional variable resistance L pad shown inthe circuit diagram and its action will behereinafter described.

The selector switch III, shown in section in Fig. 6, is an insulated multi-contact unit provided with a detent 23. fl'he'contact arm, 21, which carries an ordinary brush mer'nber, is held into contact with any one of radial contacts 23 by the detent action of the ball 23 resting in radial depressions in a plate 23, which depressions correspond in number. to the contacts 23. The slotted shaft 33 is shown in engagement with a' pin'which is integralwith the collar 32 and the knob shaft 33. l

Referring to Figs. 5 and v'1, a locking arm 34 is provided to prevent normal rotation of the control knob. The arm 34 is integral with the knob shaft 33, shown in Fig. 6, and has studs 3| attachedto the ends thereof for normal engagement with a` fixed metering plate 33, shown in Figs. 5 and -'1, which plate is affixed to the inside of the cover I.

The spring 31 between the casing and the control knob, Figs. 5 and 6, normally urges the locking arm pins 3| into engagement with the holes in locking plate 33, thus normally preventing the rotation of the knob.

When the selector knob is pushed inwardly the locking arm 34 is disengaged from the plate 33 and rotation may be imparted to the selector switch. Simultaneously the breaker switch 33,

Fig. 6, is opened through the action of collar 32 depressing the insulator which is attached to the inner switch spring 39. l

In actual operation the operator chooses a selection from the program plate 5, Fig. 1, and then depresses the control knob 3 inwardly and turns the knob pointer II to a number, on the selector plate as shown, corresponding to the selection desired. While the knob is depressed, yswitch 33-39 is opened and the locking arm 34 of the lselector switch is-free to rotate. When the knob is released the locking arm 34 reengages plate 36 vand prevents further rotation and simultaneously the switch 33 is closed.-

A coin may then be deposited in the coin receiver plate I3 and the weight of the coin depresses petal I9 closing the contacts 23 momentarily whichl completes a circuit to the selective sound reproducer through breaker switch 33-33, switch contact arm 21 and a corresponding contact 23. j.

Since it is necessary to move the selector knob to disengagethe locking arm 34 from thev plate 36, which causes the switch 38-39 to open, an

operator is prevented from obtaining more than one selection upon the deposit of a single nickel,

which wouldb the case if the above means were ,erator by means of the control knob. 4 which rotates the L pad 3.

Fig. 2 shows a diagrammatic lay-out of a typical installation with a selective sound reproducer at A and selective remote control devices in separate enclosures at a, b, c. d,` and e. The dotted lines `connecting the above devices to the sound reproducer represent multiple cables and are equivalent to the conductors 46 in Fig. 3. The wiring diagram, Fig. 3, shows the circuit employed in connecting one remote controller device to a selective sound reproducer. When more than one remote controller device is used the conductors are connected in parallel.

Alternating -current power is supplied to the remote controller by transformer 43, one terminal of the secondary of which is connected to the common line 4I of the selectiveA reproducer and the other'terminal connected to one side of the momentary switch 20. The opposite side of the momentary switch is connected to the rotary arm 21 of the selector switch through manual breaker switch 33; thus when the selector knob is' pushed inwardly' the arm 21 can bemoved to a desired contact'23, the breaker switch preventing the completion of the circuit, and by releasing the selector knob, a circuit may be established through the closed breaker switch and the momentary switch 23 by the deposit of a coin.

lSince the selective reproducer A is presumed I inwardly, as previously described, may rotate the selector switch arm 21 until it rests upon the contact selected, in this case indicated by numeral 28. It will be observed that while the operator is rotating the switch arm 2l he has necessarily moved the control knob inwardly, which opens the switch 3B-39.' Upon releasing the control knob the switch 38-39 is closed by the action of a 'spring previously described. I

Then, upon the deposit of an appropriate coin in the coin receiver, the switch 2l is momentarily closed, which completes a circuit as follows: From one side of the secondary of the power supply transformer 40, through themomentary switch 20, through the breaker switch 28-39, through thevswitch arm 21 and selected contact 28', from contact 28 through a conductor to a corresponding electro-magnet 45 in the selective sound reproducer, through conductor 48.

Since one side of all the magnets 45 in the sound reproducer are common, the circuit is completed througha conductor to terminal 4| and return to the remaining side of the secondary ,of the power transformer. Y

Conductors 42 and 43 are connected to the sound output of the selective sound reproducer and are carried by a pair of conductors to audio l. Acoin controlled reproducer system for selectively playing and selectively delivering at remote stations a selectedrecord lfrom a repertoire Y comprising, in combination, a reproducer and selective record changer. a plurality oi' individual isolated coin controlled selective sound distributors and controllers adapted to initiate the selection of any of said records, circuits to electrically deliver, isolate, and control said rendition at the place of said isolated initiation, said isolated sound distributor and controller comprising a selector means, a coin controlled initiating mechanism, a loud speaker, a circuit network con-A necting said isolated selective distributors and controllers with the responsive circuits of said reproducer and record changer, and a series circuit in the coin controlled selective distributor connecting the said selector means and the coin operated mechanism.

2. .A coin controlled reproducer system for selectively playing and selectively delivering at remote stations a selected record from a repertoire comprising, in combination, a reproducer and selective record changer, a plurality of individual isolated coin controlled selective sound distributors and controllers adapted to initiate the selection of any of said records, circuits to electrically deliver, isolate, and control said rendition at the place of said isolated initiation, said isolated sound distributor and controller comprising a selector means, a coin controlled initiating mechanism, a loud speaker, a circuit network connecting said isolated selective distributors and controllers with the responsive circuits of said reproducer and record changer, and a series circuit in the coin controlled selective distributor connecting the said selector means and the coin operated mechanism, and means for locking selector means against selecting more than one rendition upon thedisposes of one coin.

' LLOYD J. ANDRES. 

